Share
Blog
Print
Email
BookmarkThe Permian-Triassic (P-T or PT) extinction event, sometimes informally called the Great Dying, was an extinction event that occurred approximately 251.0 million years ago (mya), forming the boundary between the Permian and Triassic geologic periods.
See also:
It was the Earth's most severe extinction event, with about 90 percent of all marine species and 70 percent of terrestrial vertebrate species going extinct..
For more information about the topic Permian-Triassic extinction event, read the full article at Wikipedia.org, or see the following related articles:
Extinction event — An extinction event (also extinction-level event, ELE) occurs when a large number of species die out in a relatively short period of time. Since life ... > read more
Mesozoic — The Mesozoic Era is one of three geologic eras of the Phanerozoic eon. The Mesozoic includes three geologic periods: from oldest to youngest, they ... > read more
Paleozoic — The Paleozoic Era is a major division of the geologic timescale, one of four geologic eras. The Paleozoic includes six geologic periods; from oldest ... > read more
Cretaceous-Tertiary extinction event — The Cretaceous-Tertiary extinction event was a period of massive extinction of species, about 65.5 million years ago. It corresponds to the end of ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Permian-Triassic extinction event at Wikipedia.org. See the Wikipedia copyright page for more details.
